Inhibition of inter-microbial predation by chlorinated hydrocarbons


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ABSTRACT TIDAL or estuarine regions have traditionally served as sinks for municipal sewage. Some microbial predators in the sea feed on the enteric bacteria contained in such sewage1.


Recently, the concentration of chlorinated hydrocarbons in the sea, especially in estuarine regions, has increased although it remains considerably below the concentration which directly


affects the viability of predators or intestional pathogens. But, estuarine chlorinated hydrocarbon concentrations are within a factor of 20 of those which we have observed to inhibit the


chemotactic response of marine bacteria2. Because bacterial predators are chemotactic specifically to exudates of their prey3, inhibition of chemotaxis by chlorinated hydrocarbons may


directly affect estuarine self-purification rates. We report here the impact of two chlorinated hydrocarbons, at concentrations observed to inhibit chemotaxis4, on enteric bacteria


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support SIMILAR CONTENT BEING VIEWED BY OTHERS EFFECTS OF A BACTERIA-PRODUCED ALGICIDE ON NON-TARGET MARINE INVERTEBRATE SPECIES Article Open access 12 January 2021 EFFECT OF OCEAN


ACIDIFICATION ON THE GROWTH, RESPONSE AND HYDROCARBON DEGRADATION OF COCCOLITHOPHORE-BACTERIAL COMMUNITIES EXPOSED TO CRUDE OIL Article Open access 27 March 2023 TOP-DOWN CONTROL OF


PLANKTONIC CILIATES BY MICROCRUSTACEAN PREDATORS IS STRONGER IN LAKES THAN IN THE OCEAN Article Open access 22 June 2022 REFERENCES * Mitchell, R., _Nature_, 230, 257 (1971). Article  ADS 


CAS  Google Scholar  * Walsh, F., and Mitchell, R., in _The microbial degradation of oil pollutants_ (edit. by Meyers, S. P.) (Center for Wetland Resources, LSU–SG–73–01, 1973). Google


Scholar  * Chet, I., Fogel, S., and Mitchell, R., _J. Bact._, 106, 863 (1971). CAS  PubMed  Google Scholar  * Walsh, F., and Mitchell, R., _Bact. Proc._, _G_ 244, (1972). * Layman, J., and


Flemming, R. H., _J. Mar. Res._, 3 134 (1940). Google Scholar  * Washko, M. E., and Rice, E. W., _Clin. Chem._, 7, 542 (1961). CAS  PubMed  Google Scholar  Download references AUTHOR


INFORMATION AUTHORS AND AFFILIATIONS * Laboratory of Applied Microbiology, Division of Engineering and Applied Physics, Harvard University, Cambridge, Massachusetts, 02138 F. WALSH & R.


MITCHELL Authors * F. WALSH View author publications You can also search for this author inPubMed Google Scholar * R. MITCHELL View author publications You can also search for this author


inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE WALSH, F., MITCHELL, R. Inhibition of inter-microbial predation by chlorinated


hydrocarbons. _Nature_ 249, 673–674 (1974). https://doi.org/10.1038/249673a0 Download citation * Received: 28 December 1973 * Revised: 11 March 1974 * Issue Date: 14 June 1974 * DOI:


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